21484535

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1790

約数の個数: 16

約数和(自身を含む): 27350400

約数和(自身を除く): 5865865

約数列:

[1, 5, 19, 95, 139, 695, 1627, 2641, 8135, 13205, 30913, 154565, 226153, 1130765, 4296907, 21484535]

約数ペア:

[(1, 21484535), (5, 4296907), (19, 1130765), (95, 226153), (139, 154565), (695, 30913), (1627, 13205), (2641, 8135)]